<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="css/box_css.css" />
</head>
<body>
<div id="box">
    <div></div>
    <div></div>
</div>
<<script type="text/javascript" src="js/js.js">
</script>
</body>
</html>